Cayes Jacmel, Haiti offers 1 beach perfect for sunbathing, surfing, swimming, and more. Cayes Jacmel is known for its beautiful beaches and the annual Jacmel Carnival. The best time to travel to Cayes Jacmel, Haiti, is from November to March, with average air temperatures around 77-82°F (25-28°C) and water temperatures about 79-82°F (26-28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!